Zebul in the Bible

Judges 9:28-41 And Gaal the son of Ebed said, Who is Abimelech, and who is Shechem, that we should serve him? is not he the son of Jerubbaal? and Zebul his officer? serve the men of Hamor the father of Shechem: for why should we serve him? 29 And would to God this people were under my hand! then would I remove Abimelech. And he said to Abimelech, Increase thine army, and come out. 30 And when Zebul the ruler of the city heard the words of Gaal the son of Ebed, his anger was kindled. 31 And he sent messengers unto Abimelech privily, saying, Behold, Gaal the son of Ebed and his brethren be come to Shechem; and, behold, they fortify the city against thee. ...